Home / 195,810.90-293,813.55-77,486.10

Finding the Fourth Proportional to 195,810.90, 293,813.55 and 77,486.10

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Solution

The fourth proportional to 195,810.90, 293,813.55 and 77,486.10 is: 116,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,810.90 : 293,813.55 = 77,486.10 : x
  2. Step 2: Convert to fraction form
    195,810.90/293,813.55 = 77,486.10/x
  3. Step 3: Cross multiply
    195,810.90x = 293,813.55 × 77,486.10
  4. Step 4: Simplify right side
    195,810.90x = 22,766,466,116.66
  5. Step 5: Solve for x
    x = 22,766,466,116.66/195,810.90
  6. Step 6: Final answer
    x = 116,267.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.